Subordinates of Akatsuki
Kabuto Yakushi
Kabuto is a spy who was originally working for the Akatsuki member Sasori. Although it's currently unknown where Kabuto's true loyalty lies, he is currently working for Orochimaru. Deidara mentions that one of Sasori's spies has become a traitor. In a recent chapter of the manga, however, it appears that Kabuto is that traitor. At this point though, Kabuto appears loyal to Orochimaru, who had freed him from Sasori's hypnosis. He serves as Orochimaru's top assistant, taking care of him in his weakened state. His complex nature and tendency to do good things such as healing Hinata during the Chunnin exam (when he was disguised as an ANBU) have made him possibly the most mysterious character in the series.
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Yuura
Yuura served as a trusted member of the Kazekage advisory council of the Hidden Sand Village for four years. In reality, he was a sleeper agent for Akatsuki and a subordinate of Sasori. He was used as a replacement in a shapeshifting jutsu, taking on the shape of Itachi Uchiha to hold off Kakashi, Naruto, Sakura, and Chiyo from entering into Akatsuki's Lair while they extracted the Bijuu out of of Gaara. He was eventually killed by Naruto's Rasengan when in the form of Itachi.
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Unnamed Subordinate
His name is unknown but he was the subordinate of the puppet master Sasori. He was a replacement used in a shapeshifting jutsu and took on the shape of Kisame as a diversion to hold off Gai, Rock Lee, Tenten, and Neji from entering into Akatsuki's Lair while they extracted the Bijuu out of of Gaara. He was eventually killed by Gai when he was in the form of Kisame.
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Kabuto Yakushi
Kabuto is a spy who was originally working for the Akatsuki member Sasori. Although it's currently unknown where Kabuto's true loyalty lies, he is currently working for Orochimaru. Deidara mentions that one of Sasori's spies has become a traitor. In a recent chapter of the manga, however, it appears that Kabuto is that traitor. At this point though, Kabuto appears loyal to Orochimaru, who had freed him from Sasori's hypnosis. He serves as Orochimaru's top assistant, taking care of him in his weakened state. His complex nature and tendency to do good things such as healing Hinata during the Chunnin exam (when he was disguised as an ANBU) have made him possibly the most mysterious character in the series.
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Yuura
Yuura served as a trusted member of the Kazekage advisory council of the Hidden Sand Village for four years. In reality, he was a sleeper agent for Akatsuki and a subordinate of Sasori. He was used as a replacement in a shapeshifting jutsu, taking on the shape of Itachi Uchiha to hold off Kakashi, Naruto, Sakura, and Chiyo from entering into Akatsuki's Lair while they extracted the Bijuu out of of Gaara. He was eventually killed by Naruto's Rasengan when in the form of Itachi.
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Unnamed Subordinate
His name is unknown but he was the subordinate of the puppet master Sasori. He was a replacement used in a shapeshifting jutsu and took on the shape of Kisame as a diversion to hold off Gai, Rock Lee, Tenten, and Neji from entering into Akatsuki's Lair while they extracted the Bijuu out of of Gaara. He was eventually killed by Gai when he was in the form of Kisame.
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